221054233246 has 64 divisors (see below), whose sum is σ = 423692476416. Its totient is φ = 83987215200.

The previous prime is 221054233199. The next prime is 221054233303. The reversal of 221054233246 is 642332450122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4152031 + ... + 4204933.

It is an arithmetic number, because the mean of its divisors is an integer number (6620194944).

Almost surely, 2^221054233246 is an apocalyptic number.

221054233246 is a deficient number, since it is larger than the sum of its proper divisors (202638243170).

221054233246 is a wasteful number, since it uses less digits than its factorization.

221054233246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53597.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 221054233246 its reverse (642332450122), we get a palindrome (863386683368).

The spelling of 221054233246 in words is "two hundred twenty-one billion, fifty-four million, two hundred thirty-three thousand, two hundred forty-six".